diff --git a/docs/guide/localization.md b/docs/guide/localization.md
index acf4cdd1b75..dcfd7ce35c7 100644
--- a/docs/guide/localization.md
+++ b/docs/guide/localization.md
@@ -78,7 +78,7 @@ In this example there are 5 locales. Each of these is checked in order, and the
 | `ar`          | Arabic                    | `fakerAR`          |
 | `az`          | Azerbaijani               | `fakerAZ`          |
 | `base`        | Base                      | `fakerBASE`        |
-| `cz`          | Czech                     | `fakerCZ`          |
+| `cs_CZ`       | Czech (Czechia)           | `fakerCS_CZ`       |
 | `de`          | German                    | `fakerDE`          |
 | `de_AT`       | German (Austria)          | `fakerDE_AT`       |
 | `de_CH`       | German (Switzerland)      | `fakerDE_CH`       |
diff --git a/docs/guide/upgrading.md b/docs/guide/upgrading.md
index 38b6e6a4c8d..555c267ca28 100644
--- a/docs/guide/upgrading.md
+++ b/docs/guide/upgrading.md
@@ -225,4 +225,6 @@ Please have a look at issue [#1785](https://github.com/faker-js/faker/issues/178
 
 The `en_IND` (English, India) locale was renamed to `en_IN` for consistency with other locales.
 
+The `cz` (Czech) locale was renamed to `cs_CZ` to use the standard ISO codes for language and country.
+
 The `ge` (Georgian) locale was renamed to `ka_GE` to use the standard ISO codes for language and country.
diff --git a/src/locale/cs_CZ.ts b/src/locale/cs_CZ.ts
new file mode 100644
index 00000000000..4e56c6d410c
--- /dev/null
+++ b/src/locale/cs_CZ.ts
@@ -0,0 +1,13 @@
+/*
+ * This file is automatically generated.
+ * Run 'pnpm run generate:locales' to update.
+ */
+
+import { Faker } from '../faker';
+import base from '../locales/base';
+import cs_CZ from '../locales/cs_CZ';
+import en from '../locales/en';
+
+export const faker = new Faker({
+  locale: [cs_CZ, en, base],
+});
diff --git a/src/locale/cz.ts b/src/locale/cz.ts
index 19b35d71f91..f7227d82d5b 100644
--- a/src/locale/cz.ts
+++ b/src/locale/cz.ts
@@ -1,13 +1,12 @@
-/*
- * This file is automatically generated.
- * Run 'pnpm run generate:locales' to update.
- */
+import { deprecated } from '../internal/deprecated';
+import { faker as cs_CZ } from './cs_CZ';
 
-import { Faker } from '../faker';
-import base from '../locales/base';
-import cz from '../locales/cz';
-import en from '../locales/en';
-
-export const faker = new Faker({
-  locale: [cz, en, base],
-});
+export const faker = (() => {
+  deprecated({
+    deprecated: "import { faker } from '@faker-js/faker/locale/cz'",
+    proposed: "import { faker } from '@faker-js/faker/locale/cs_CZ'",
+    since: '8.0',
+    until: '9.0',
+  });
+  return cs_CZ;
+})();
diff --git a/src/locale/index.ts b/src/locale/index.ts
index f5b7653f8c0..8772dca61b1 100644
--- a/src/locale/index.ts
+++ b/src/locale/index.ts
@@ -7,7 +7,7 @@ import { faker as fakerAF_ZA } from './af_ZA';
 import { faker as fakerAR } from './ar';
 import { faker as fakerAZ } from './az';
 import { faker as fakerBASE } from './base';
-import { faker as fakerCZ } from './cz';
+import { faker as fakerCS_CZ } from './cs_CZ';
 import { faker as fakerDE } from './de';
 import { faker as fakerDE_AT } from './de_AT';
 import { faker as fakerDE_CH } from './de_CH';
@@ -71,7 +71,7 @@ export {
   fakerAR,
   fakerAZ,
   fakerBASE,
-  fakerCZ,
+  fakerCS_CZ,
   fakerDE,
   fakerDE_AT,
   fakerDE_CH,
@@ -136,7 +136,7 @@ export const allFakers = {
   ar: fakerAR,
   az: fakerAZ,
   base: fakerBASE,
-  cz: fakerCZ,
+  cs_CZ: fakerCS_CZ,
   de: fakerDE,
   de_AT: fakerDE_AT,
   de_CH: fakerDE_CH,
diff --git a/src/locales/cz/company/adjective.ts b/src/locales/cs_CZ/company/adjective.ts
similarity index 100%
rename from src/locales/cz/company/adjective.ts
rename to src/locales/cs_CZ/company/adjective.ts
diff --git a/src/locales/cz/company/descriptor.ts b/src/locales/cs_CZ/company/descriptor.ts
similarity index 100%
rename from src/locales/cz/company/descriptor.ts
rename to src/locales/cs_CZ/company/descriptor.ts
diff --git a/src/locales/cz/company/index.ts b/src/locales/cs_CZ/company/index.ts
similarity index 100%
rename from src/locales/cz/company/index.ts
rename to src/locales/cs_CZ/company/index.ts
diff --git a/src/locales/cz/company/name_patterns.ts b/src/locales/cs_CZ/company/name_patterns.ts
similarity index 100%
rename from src/locales/cz/company/name_patterns.ts
rename to src/locales/cs_CZ/company/name_patterns.ts
diff --git a/src/locales/cz/company/noun.ts b/src/locales/cs_CZ/company/noun.ts
similarity index 100%
rename from src/locales/cz/company/noun.ts
rename to src/locales/cs_CZ/company/noun.ts
diff --git a/src/locales/cz/company/suffix.ts b/src/locales/cs_CZ/company/suffix.ts
similarity index 100%
rename from src/locales/cz/company/suffix.ts
rename to src/locales/cs_CZ/company/suffix.ts
diff --git a/src/locales/cz/date/index.ts b/src/locales/cs_CZ/date/index.ts
similarity index 100%
rename from src/locales/cz/date/index.ts
rename to src/locales/cs_CZ/date/index.ts
diff --git a/src/locales/cz/date/month.ts b/src/locales/cs_CZ/date/month.ts
similarity index 100%
rename from src/locales/cz/date/month.ts
rename to src/locales/cs_CZ/date/month.ts
diff --git a/src/locales/cz/date/weekday.ts b/src/locales/cs_CZ/date/weekday.ts
similarity index 100%
rename from src/locales/cz/date/weekday.ts
rename to src/locales/cs_CZ/date/weekday.ts
diff --git a/src/locales/cz/index.ts b/src/locales/cs_CZ/index.ts
similarity index 90%
rename from src/locales/cz/index.ts
rename to src/locales/cs_CZ/index.ts
index 28f0a84b410..c3770c00b37 100644
--- a/src/locales/cz/index.ts
+++ b/src/locales/cs_CZ/index.ts
@@ -12,7 +12,7 @@ import metadata from './metadata';
 import person from './person';
 import phone_number from './phone_number';
 
-const cz: LocaleDefinition = {
+const cs_CZ: LocaleDefinition = {
   company,
   date,
   internet,
@@ -23,4 +23,4 @@ const cz: LocaleDefinition = {
   phone_number,
 };
 
-export default cz;
+export default cs_CZ;
diff --git a/src/locales/cz/internet/domain_suffix.ts b/src/locales/cs_CZ/internet/domain_suffix.ts
similarity index 100%
rename from src/locales/cz/internet/domain_suffix.ts
rename to src/locales/cs_CZ/internet/domain_suffix.ts
diff --git a/src/locales/cz/internet/free_email.ts b/src/locales/cs_CZ/internet/free_email.ts
similarity index 100%
rename from src/locales/cz/internet/free_email.ts
rename to src/locales/cs_CZ/internet/free_email.ts
diff --git a/src/locales/cz/internet/index.ts b/src/locales/cs_CZ/internet/index.ts
similarity index 100%
rename from src/locales/cz/internet/index.ts
rename to src/locales/cs_CZ/internet/index.ts
diff --git a/src/locales/cz/location/building_number.ts b/src/locales/cs_CZ/location/building_number.ts
similarity index 100%
rename from src/locales/cz/location/building_number.ts
rename to src/locales/cs_CZ/location/building_number.ts
diff --git a/src/locales/cz/location/city.ts b/src/locales/cs_CZ/location/city.ts
similarity index 100%
rename from src/locales/cz/location/city.ts
rename to src/locales/cs_CZ/location/city.ts
diff --git a/src/locales/cz/location/city_name.ts b/src/locales/cs_CZ/location/city_name.ts
similarity index 100%
rename from src/locales/cz/location/city_name.ts
rename to src/locales/cs_CZ/location/city_name.ts
diff --git a/src/locales/cz/location/country.ts b/src/locales/cs_CZ/location/country.ts
similarity index 100%
rename from src/locales/cz/location/country.ts
rename to src/locales/cs_CZ/location/country.ts
diff --git a/src/locales/cz/location/default_country.ts b/src/locales/cs_CZ/location/default_country.ts
similarity index 100%
rename from src/locales/cz/location/default_country.ts
rename to src/locales/cs_CZ/location/default_country.ts
diff --git a/src/locales/cz/location/index.ts b/src/locales/cs_CZ/location/index.ts
similarity index 100%
rename from src/locales/cz/location/index.ts
rename to src/locales/cs_CZ/location/index.ts
diff --git a/src/locales/cz/location/postcode.ts b/src/locales/cs_CZ/location/postcode.ts
similarity index 100%
rename from src/locales/cz/location/postcode.ts
rename to src/locales/cs_CZ/location/postcode.ts
diff --git a/src/locales/cz/location/secondary_address.ts b/src/locales/cs_CZ/location/secondary_address.ts
similarity index 100%
rename from src/locales/cz/location/secondary_address.ts
rename to src/locales/cs_CZ/location/secondary_address.ts
diff --git a/src/locales/cz/location/state.ts b/src/locales/cs_CZ/location/state.ts
similarity index 100%
rename from src/locales/cz/location/state.ts
rename to src/locales/cs_CZ/location/state.ts
diff --git a/src/locales/cz/location/state_abbr.ts b/src/locales/cs_CZ/location/state_abbr.ts
similarity index 100%
rename from src/locales/cz/location/state_abbr.ts
rename to src/locales/cs_CZ/location/state_abbr.ts
diff --git a/src/locales/cz/location/street.ts b/src/locales/cs_CZ/location/street.ts
similarity index 100%
rename from src/locales/cz/location/street.ts
rename to src/locales/cs_CZ/location/street.ts
diff --git a/src/locales/cz/location/street_address.ts b/src/locales/cs_CZ/location/street_address.ts
similarity index 100%
rename from src/locales/cz/location/street_address.ts
rename to src/locales/cs_CZ/location/street_address.ts
diff --git a/src/locales/cz/location/street_name.ts b/src/locales/cs_CZ/location/street_name.ts
similarity index 100%
rename from src/locales/cz/location/street_name.ts
rename to src/locales/cs_CZ/location/street_name.ts
diff --git a/src/locales/cz/lorem/index.ts b/src/locales/cs_CZ/lorem/index.ts
similarity index 100%
rename from src/locales/cz/lorem/index.ts
rename to src/locales/cs_CZ/lorem/index.ts
diff --git a/src/locales/cz/lorem/words.ts b/src/locales/cs_CZ/lorem/words.ts
similarity index 100%
rename from src/locales/cz/lorem/words.ts
rename to src/locales/cs_CZ/lorem/words.ts
diff --git a/src/locales/cz/metadata.ts b/src/locales/cs_CZ/metadata.ts
similarity index 81%
rename from src/locales/cz/metadata.ts
rename to src/locales/cs_CZ/metadata.ts
index af6a36bc82f..98ab47df586 100644
--- a/src/locales/cz/metadata.ts
+++ b/src/locales/cs_CZ/metadata.ts
@@ -1,7 +1,7 @@
 import type { MetadataDefinitions } from '../..';
 
 const metadata: MetadataDefinitions = {
-  title: 'Czech',
+  title: 'Czech (Czechia)',
 };
 
 export default metadata;
diff --git a/src/locales/cz/person/female_first_name.ts b/src/locales/cs_CZ/person/female_first_name.ts
similarity index 100%
rename from src/locales/cz/person/female_first_name.ts
rename to src/locales/cs_CZ/person/female_first_name.ts
diff --git a/src/locales/cz/person/female_last_name.ts b/src/locales/cs_CZ/person/female_last_name.ts
similarity index 100%
rename from src/locales/cz/person/female_last_name.ts
rename to src/locales/cs_CZ/person/female_last_name.ts
diff --git a/src/locales/cz/person/female_last_name_patterns.ts b/src/locales/cs_CZ/person/female_last_name_patterns.ts
similarity index 100%
rename from src/locales/cz/person/female_last_name_patterns.ts
rename to src/locales/cs_CZ/person/female_last_name_patterns.ts
diff --git a/src/locales/cz/person/female_prefix.ts b/src/locales/cs_CZ/person/female_prefix.ts
similarity index 100%
rename from src/locales/cz/person/female_prefix.ts
rename to src/locales/cs_CZ/person/female_prefix.ts
diff --git a/src/locales/cz/person/first_name.ts b/src/locales/cs_CZ/person/first_name.ts
similarity index 100%
rename from src/locales/cz/person/first_name.ts
rename to src/locales/cs_CZ/person/first_name.ts
diff --git a/src/locales/cz/person/index.ts b/src/locales/cs_CZ/person/index.ts
similarity index 100%
rename from src/locales/cz/person/index.ts
rename to src/locales/cs_CZ/person/index.ts
diff --git a/src/locales/cz/person/last_name.ts b/src/locales/cs_CZ/person/last_name.ts
similarity index 100%
rename from src/locales/cz/person/last_name.ts
rename to src/locales/cs_CZ/person/last_name.ts
diff --git a/src/locales/cz/person/male_first_name.ts b/src/locales/cs_CZ/person/male_first_name.ts
similarity index 100%
rename from src/locales/cz/person/male_first_name.ts
rename to src/locales/cs_CZ/person/male_first_name.ts
diff --git a/src/locales/cz/person/male_last_name.ts b/src/locales/cs_CZ/person/male_last_name.ts
similarity index 100%
rename from src/locales/cz/person/male_last_name.ts
rename to src/locales/cs_CZ/person/male_last_name.ts
diff --git a/src/locales/cz/person/male_last_name_patterns.ts b/src/locales/cs_CZ/person/male_last_name_patterns.ts
similarity index 100%
rename from src/locales/cz/person/male_last_name_patterns.ts
rename to src/locales/cs_CZ/person/male_last_name_patterns.ts
diff --git a/src/locales/cz/person/male_prefix.ts b/src/locales/cs_CZ/person/male_prefix.ts
similarity index 100%
rename from src/locales/cz/person/male_prefix.ts
rename to src/locales/cs_CZ/person/male_prefix.ts
diff --git a/src/locales/cz/person/name.ts b/src/locales/cs_CZ/person/name.ts
similarity index 100%
rename from src/locales/cz/person/name.ts
rename to src/locales/cs_CZ/person/name.ts
diff --git a/src/locales/cz/person/prefix.ts b/src/locales/cs_CZ/person/prefix.ts
similarity index 100%
rename from src/locales/cz/person/prefix.ts
rename to src/locales/cs_CZ/person/prefix.ts
diff --git a/src/locales/cz/person/suffix.ts b/src/locales/cs_CZ/person/suffix.ts
similarity index 100%
rename from src/locales/cz/person/suffix.ts
rename to src/locales/cs_CZ/person/suffix.ts
diff --git a/src/locales/cz/person/title.ts b/src/locales/cs_CZ/person/title.ts
similarity index 100%
rename from src/locales/cz/person/title.ts
rename to src/locales/cs_CZ/person/title.ts
diff --git a/src/locales/cz/phone_number/formats.ts b/src/locales/cs_CZ/phone_number/formats.ts
similarity index 100%
rename from src/locales/cz/phone_number/formats.ts
rename to src/locales/cs_CZ/phone_number/formats.ts
diff --git a/src/locales/cz/phone_number/index.ts b/src/locales/cs_CZ/phone_number/index.ts
similarity index 100%
rename from src/locales/cz/phone_number/index.ts
rename to src/locales/cs_CZ/phone_number/index.ts
diff --git a/src/locales/index.ts b/src/locales/index.ts
index fa5ea18a358..b0f87395451 100644
--- a/src/locales/index.ts
+++ b/src/locales/index.ts
@@ -7,7 +7,7 @@ export { default as af_ZA } from './af_ZA';
 export { default as ar } from './ar';
 export { default as az } from './az';
 export { default as base } from './base';
-export { default as cz } from './cz';
+export { default as cs_CZ } from './cs_CZ';
 export { default as de } from './de';
 export { default as de_AT } from './de_AT';
 export { default as de_CH } from './de_CH';