ALC Press has mapped all of the world's active and significant military bases. You can see a map of these bases or lists of bases
Developing
The United Arab Emirates (UAE) now has a presence in Bossaso, Somalia, but no major base yet. The UAE is also planning to build a base in Mogadishu, Somalia. Russia wants to build a base on Sudan's Red Sea coast, but the U.S. is pressuring Sudan to refuse it.
China is negotiating with Pakistan for a naval base in the port city of Gwadar. The negotiations are stalled because Pakistan wants China to supply them with a "nuclear second strike capability."
Additional reading
The UAE is expanding its influence in the Horn of Africa by funding ports and military bases