diff --git a/Source/Core/Common/CommonPaths.h b/Source/Core/Common/CommonPaths.h
index 4afeb698a3..e4b4a67d86 100644
--- a/Source/Core/Common/CommonPaths.h
+++ b/Source/Core/Common/CommonPaths.h
@@ -34,6 +34,7 @@
 
 // Subdirs in the User dir returned by GetUserPath(D_USER_IDX)
 #define GC_USER_DIR "GC"
+#define GBA_USER_DIR "GBA"
 #define WII_USER_DIR "Wii"
 #define CONFIG_DIR "Config"
 #define GAMESETTINGS_DIR "GameSettings"
@@ -61,6 +62,7 @@
 #define RESOURCES_DIR "Resources"
 #define THEMES_DIR "Themes"
 #define STYLES_DIR "Styles"
+#define GBASAVES_DIR "Saves"
 #define ANAGLYPH_DIR "Anaglyph"
 #define PASSIVE_DIR "Passive"
 #define PIPES_DIR "Pipes"
@@ -119,6 +121,8 @@
 #define GC_MEMCARDB "MemoryCardB"
 #define GC_MEMCARD_NETPLAY "NetPlayTemp"
 
+#define GBA_BIOS "gba_bios.bin"
+
 #define WII_STATE "state.dat"
 
 #define WII_SDCARD "sd.raw"
diff --git a/Source/Core/Common/FileUtil.cpp b/Source/Core/Common/FileUtil.cpp
index a65f58f793..d04fdc60a1 100644
--- a/Source/Core/Common/FileUtil.cpp
+++ b/Source/Core/Common/FileUtil.cpp
@@ -983,6 +983,10 @@ static void RebuildUserDirectories(unsigned int dir_index)
     s_user_paths[F_MEMORYWATCHERSOCKET_IDX] =
         s_user_paths[D_MEMORYWATCHER_IDX] + MEMORYWATCHER_SOCKET;
 
+    s_user_paths[D_GBAUSER_IDX] = s_user_paths[D_USER_IDX] + GBA_USER_DIR DIR_SEP;
+    s_user_paths[D_GBASAVES_IDX] = s_user_paths[D_GBAUSER_IDX] + GBASAVES_DIR DIR_SEP;
+    s_user_paths[F_GBABIOS_IDX] = s_user_paths[D_GBAUSER_IDX] + GBA_BIOS;
+
     // The shader cache has moved to the cache directory, so remove the old one.
     // TODO: remove that someday.
     File::DeleteDirRecursively(s_user_paths[D_USER_IDX] + SHADERCACHE_LEGACY_DIR DIR_SEP);
diff --git a/Source/Core/Common/FileUtil.h b/Source/Core/Common/FileUtil.h
index c4419fb317..1a487bbe4e 100644
--- a/Source/Core/Common/FileUtil.h
+++ b/Source/Core/Common/FileUtil.h
@@ -59,6 +59,8 @@ enum
   D_BACKUP_IDX,
   D_RESOURCEPACK_IDX,
   D_DYNAMICINPUT_IDX,
+  D_GBAUSER_IDX,
+  D_GBASAVES_IDX,
   F_DOLPHINCONFIG_IDX,
   F_GCPADCONFIG_IDX,
   F_WIIPADCONFIG_IDX,
@@ -77,6 +79,7 @@ enum
   F_WIISDCARD_IDX,
   F_DUALSHOCKUDPCLIENTCONFIG_IDX,
   F_FREELOOKCONFIG_IDX,
+  F_GBABIOS_IDX,
   NUM_PATH_INDICES
 };
 
diff --git a/Source/Core/Core/Config/MainSettings.cpp b/Source/Core/Core/Config/MainSettings.cpp
index dd3e633991..b3fa308160 100644
--- a/Source/Core/Core/Config/MainSettings.cpp
+++ b/Source/Core/Core/Config/MainSettings.cpp
@@ -145,6 +145,18 @@ const Info<std::string> MAIN_RESOURCEPACK_PATH{{System::Main, "General", "Resour
 const Info<std::string> MAIN_FS_PATH{{System::Main, "General", "NANDRootPath"}, ""};
 const Info<std::string> MAIN_SD_PATH{{System::Main, "General", "WiiSDCardPath"}, ""};
 
+// Main.GBA
+
+const Info<std::string> MAIN_GBA_BIOS_PATH{{System::Main, "GBA", "BIOS"}, ""};
+const std::array<Info<std::string>, 4> MAIN_GBA_ROM_PATHS{
+    Info<std::string>{{System::Main, "GBA", "Rom1"}, ""},
+    Info<std::string>{{System::Main, "GBA", "Rom2"}, ""},
+    Info<std::string>{{System::Main, "GBA", "Rom3"}, ""},
+    Info<std::string>{{System::Main, "GBA", "Rom4"}, ""}};
+const Info<std::string> MAIN_GBA_SAVES_PATH{{System::Main, "GBA", "SavesPath"}, ""};
+const Info<bool> MAIN_GBA_SAVES_IN_ROM_PATH{{System::Main, "GBA", "SavesInRomPath"}, false};
+const Info<bool> MAIN_GBA_THREADS{{System::Main, "GBA", "Threads"}, true};
+
 // Main.Network
 
 const Info<bool> MAIN_NETWORK_SSL_DUMP_READ{{System::Main, "Network", "SSLDumpRead"}, false};
diff --git a/Source/Core/Core/Config/MainSettings.h b/Source/Core/Core/Config/MainSettings.h
index 981b6c663f..4fad910606 100644
--- a/Source/Core/Core/Config/MainSettings.h
+++ b/Source/Core/Core/Config/MainSettings.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <array>
 #include <string>
 
 #include "Common/Config/Config.h"
@@ -119,6 +120,14 @@ extern const Info<std::string> MAIN_RESOURCEPACK_PATH;
 extern const Info<std::string> MAIN_FS_PATH;
 extern const Info<std::string> MAIN_SD_PATH;
 
+// Main.GBA
+
+extern const Info<std::string> MAIN_GBA_BIOS_PATH;
+extern const std::array<Info<std::string>, 4> MAIN_GBA_ROM_PATHS;
+extern const Info<std::string> MAIN_GBA_SAVES_PATH;
+extern const Info<bool> MAIN_GBA_SAVES_IN_ROM_PATH;
+extern const Info<bool> MAIN_GBA_THREADS;
+
 // Main.Network
 
 extern const Info<bool> MAIN_NETWORK_SSL_DUMP_READ;
diff --git a/Source/Core/Core/ConfigLoaders/IsSettingSaveable.cpp b/Source/Core/Core/ConfigLoaders/IsSettingSaveable.cpp
index f2eb0eb930..1f8074518d 100644
--- a/Source/Core/Core/ConfigLoaders/IsSettingSaveable.cpp
+++ b/Source/Core/Core/ConfigLoaders/IsSettingSaveable.cpp
@@ -26,7 +26,7 @@ bool IsSettingSaveable(const Config::Location& config_location)
   if (config_location.system == Config::System::Main)
   {
     for (const std::string_view section :
-         {"NetPlay", "General", "Display", "Network", "Analytics", "AndroidOverlayButtons"})
+         {"NetPlay", "General", "GBA", "Display", "Network", "Analytics", "AndroidOverlayButtons"})
     {
       if (config_location.section == section)
         return true;
diff --git a/Source/Core/UICommon/UICommon.cpp b/Source/Core/UICommon/UICommon.cpp
index 40815f049f..a5e7450b85 100644
--- a/Source/Core/UICommon/UICommon.cpp
+++ b/Source/Core/UICommon/UICommon.cpp
@@ -81,9 +81,10 @@ static void InitCustomPaths()
   CreateLoadPath(Config::Get(Config::MAIN_LOAD_PATH));
   CreateDumpPath(Config::Get(Config::MAIN_DUMP_PATH));
   CreateResourcePackPath(Config::Get(Config::MAIN_RESOURCEPACK_PATH));
-  const std::string sd_path = Config::Get(Config::MAIN_SD_PATH);
-  if (!sd_path.empty())
-    File::SetUserPath(F_WIISDCARD_IDX, sd_path);
+  File::SetUserPath(F_WIISDCARD_IDX, Config::Get(Config::MAIN_SD_PATH));
+  File::SetUserPath(F_GBABIOS_IDX, Config::Get(Config::MAIN_GBA_BIOS_PATH));
+  File::SetUserPath(D_GBASAVES_IDX, Config::Get(Config::MAIN_GBA_SAVES_PATH));
+  File::CreateFullPath(File::GetUserPath(D_GBASAVES_IDX));
 }
 
 void Init()