diff --git a/configure b/configure
index 03c49a55541..b558ec7b362 100755
--- a/configure
+++ b/configure
@@ -863,6 +863,7 @@ enable_api_ms_win_core_interlocked_l1_2_0
 enable_api_ms_win_core_io_l1_1_1
 enable_api_ms_win_core_kernel32_legacy_l1_1_0
 enable_api_ms_win_core_libraryloader_l1_1_1
+enable_api_ms_win_core_localization_l1_2_0
 enable_api_ms_win_core_localregistry_l1_1_0
 enable_api_ms_win_core_processthreads_l1_1_0
 enable_api_ms_win_core_processthreads_l1_1_1
@@ -16600,6 +16601,7 @@ wine_fn_config_dll api-ms-win-core-interlocked-l1-2-0 enable_api_ms_win_core_int
 wine_fn_config_dll api-ms-win-core-io-l1-1-1 enable_api_ms_win_core_io_l1_1_1
 wine_fn_config_dll api-ms-win-core-kernel32-legacy-l1-1-0 enable_api_ms_win_core_kernel32_legacy_l1_1_0
 wine_fn_config_dll api-ms-win-core-libraryloader-l1-1-1 enable_api_ms_win_core_libraryloader_l1_1_1
+wine_fn_config_dll api-ms-win-core-localization-l1-2-0 enable_api_ms_win_core_localization_l1_2_0
 wine_fn_config_dll api-ms-win-core-localregistry-l1-1-0 enable_api_ms_win_core_localregistry_l1_1_0
 wine_fn_config_dll api-ms-win-core-processthreads-l1-1-0 enable_api_ms_win_core_processthreads_l1_1_0
 wine_fn_config_dll api-ms-win-core-processthreads-l1-1-1 enable_api_ms_win_core_processthreads_l1_1_1
diff --git a/configure.ac b/configure.ac
index ae58f2df640..9d6af3aa3cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2632,6 +2632,7 @@ WINE_CONFIG_DLL(api-ms-win-core-interlocked-l1-2-0)
 WINE_CONFIG_DLL(api-ms-win-core-io-l1-1-1)
 WINE_CONFIG_DLL(api-ms-win-core-kernel32-legacy-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-libraryloader-l1-1-1)
+WINE_CONFIG_DLL(api-ms-win-core-localization-l1-2-0)
 WINE_CONFIG_DLL(api-ms-win-core-localregistry-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-processthreads-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-processthreads-l1-1-1)
diff --git a/dlls/api-ms-win-core-localization-l1-2-0/Makefile.in b/dlls/api-ms-win-core-localization-l1-2-0/Makefile.in
new file mode 100644
index 00000000000..cd073dade07
--- /dev/null
+++ b/dlls/api-ms-win-core-localization-l1-2-0/Makefile.in
@@ -0,0 +1 @@
+MODULE    = api-ms-win-core-localization-l1-2-0.dll
diff --git a/dlls/api-ms-win-core-localization-l1-2-0/api-ms-win-core-localization-l1-2-0.spec b/dlls/api-ms-win-core-localization-l1-2-0/api-ms-win-core-localization-l1-2-0.spec
new file mode 100644
index 00000000000..7c6f6fe93fe
--- /dev/null
+++ b/dlls/api-ms-win-core-localization-l1-2-0/api-ms-win-core-localization-l1-2-0.spec
@@ -0,0 +1,59 @@
+@ stdcall ConvertDefaultLocale(long) kernel32.ConvertDefaultLocale
+@ stdcall EnumSystemGeoID(long long ptr) kernel32.EnumSystemGeoID
+@ stdcall EnumSystemLocalesA(ptr long) kernel32.EnumSystemLocalesA
+@ stdcall EnumSystemLocalesW(ptr long) kernel32.EnumSystemLocalesW
+@ stub FindNLSString
+@ stub FindNLSStringEx
+@ stdcall FormatMessageA(long ptr long long ptr long ptr) kernel32.FormatMessageA
+@ stdcall FormatMessageW(long ptr long long ptr long ptr) kernel32.FormatMessageW
+@ stdcall GetACP() kernel32.GetACP
+@ stdcall GetCPInfo(long ptr) kernel32.GetCPInfo
+@ stdcall GetCPInfoExW(long long ptr) kernel32.GetCPInfoExW
+@ stub GetCalendarInfoEx
+@ stdcall GetCalendarInfoW(long long long ptr long ptr) kernel32.GetCalendarInfoW
+@ stub GetFileMUIInfo
+@ stub GetFileMUIPath
+@ stdcall GetGeoInfoW(long long ptr long long) kernel32.GetGeoInfoW
+@ stdcall GetLocaleInfoA(long long ptr long) kernel32.GetLocaleInfoA
+@ stdcall GetLocaleInfoEx(wstr long ptr long) kernel32.GetLocaleInfoEx
+@ stdcall GetLocaleInfoW(long long ptr long) kernel32.GetLocaleInfoW
+@ stub GetNLSVersion
+@ stub GetNLSVersionEx
+@ stdcall GetOEMCP() kernel32.GetOEMCP
+@ stub GetProcessPreferredUILanguages
+@ stdcall GetSystemDefaultLCID() kernel32.GetSystemDefaultLCID
+@ stdcall GetSystemDefaultLangID() kernel32.GetSystemDefaultLangID
+@ stub GetSystemPreferredUILanguages
+@ stdcall GetThreadLocale() kernel32.GetThreadLocale
+@ stdcall GetThreadPreferredUILanguages(long ptr ptr ptr) kernel32.GetThreadPreferredUILanguages
+@ stdcall GetThreadUILanguage() kernel32.GetThreadUILanguage
+@ stub GetUILanguageInfo
+@ stdcall GetUserDefaultLCID() kernel32.GetUserDefaultLCID
+@ stdcall GetUserDefaultLangID() kernel32.GetUserDefaultLangID
+@ stdcall GetUserDefaultLocaleName(ptr long) kernel32.GetUserDefaultLocaleName
+@ stdcall GetUserGeoID(long) kernel32.GetUserGeoID
+@ stub GetUserPreferredUILanguages
+@ stdcall IdnToAscii(long wstr long ptr long) kernel32.IdnToAscii
+@ stdcall IdnToUnicode(long wstr long ptr long) kernel32.IdnToUnicode
+@ stdcall IsDBCSLeadByte(long) kernel32.IsDBCSLeadByte
+@ stdcall IsDBCSLeadByteEx(long long) kernel32.IsDBCSLeadByteEx
+@ stub IsNLSDefinedString
+@ stdcall IsValidCodePage(long) kernel32.IsValidCodePage
+@ stdcall IsValidLanguageGroup(long long) kernel32.IsValidLanguageGroup
+@ stdcall IsValidLocale(long long) kernel32.IsValidLocale
+@ stdcall IsValidLocaleName(wstr) kernel32.IsValidLocaleName
+@ stub IsValidNLSVersion
+@ stdcall LCMapStringA(long long str long ptr long) kernel32.LCMapStringA
+@ stdcall LCMapStringEx(wstr long wstr long ptr long ptr ptr long) kernel32.LCMapStringEx
+@ stdcall LCMapStringW(long long wstr long ptr long) kernel32.LCMapStringW
+@ stdcall LocaleNameToLCID(wstr long) kernel32.LocaleNameToLCID
+@ stub ResolveLocaleName
+@ stdcall SetCalendarInfoW(long long long wstr) kernel32.SetCalendarInfoW
+@ stdcall SetLocaleInfoW(long long wstr) kernel32.SetLocaleInfoW
+@ stub SetProcessPreferredUILanguages
+@ stdcall SetThreadLocale(long) kernel32.SetThreadLocale
+@ stdcall SetThreadPreferredUILanguages(long ptr ptr) kernel32.SetThreadPreferredUILanguages
+@ stdcall SetThreadUILanguage(long) kernel32.SetThreadUILanguage
+@ stdcall SetUserGeoID(long) kernel32.SetUserGeoID
+@ stdcall VerLanguageNameA(long str long) kernel32.VerLanguageNameA
+@ stdcall VerLanguageNameW(long wstr long) kernel32.VerLanguageNameW
diff --git a/tools/make_specfiles b/tools/make_specfiles
index ddb7f83e3ec..c123fe08f51 100755
--- a/tools/make_specfiles
+++ b/tools/make_specfiles
@@ -152,6 +152,7 @@ my @dll_groups =
   "api-ms-win-core-io-l1-1-1",
   "api-ms-win-core-kernel32-legacy-l1-1-0",
   "api-ms-win-core-libraryloader-l1-1-1",
+  "api-ms-win-core-localization-l1-2-0",
  ],
  [
   "ole32",