Georgia is a neighboring country of Azerbaijan and is also part of the South Caucasus region. It has a history of cultural and political ties with Azerbaijan and is a member of the GUAM Organization for Democracy and Economic Development
Armenia is another neighboring country of Azerbaijan and is also part of the South Caucasus region. It has a long-standing conflict with Azerbaijan over the Nagorno-Karabakh region and is a member of the Collective Security Treaty Organization (CSTO) and the Eurasian Economic Union (EAEU)
Turkey is a transcontinental country that spans the Anatolian peninsula in Asia and the Balkan peninsula in Europe. It has a close ethnic, linguistic, and cultural affinity with Azerbaijan and is a strategic ally and partner in the region. It is a member of NATO and the Organization of Islamic Cooperation (OIC)
Russia is a transcontinental country that covers most of the northern Eurasian landmass. It has a long and complex relationship with Azerbaijan, dating back to the Tsarist and Soviet eras. It is a co-chair of the OSCE Minsk Group that mediates the Nagorno-Karabakh dispute and is a dominant regional power. It is a member of the CSTO, the EAEU, the OIC, and the Shanghai Cooperation Organization (SCO)
Iran is a transcontinental country that lies on the Iranian plateau in Asia and the Caucasus mountains in Europe. It has a large population of ethnic Azeris and a historical and religious influence on Azerbaijan. It is a rival of Turkey and Israel in the region and is a member of the OIC and the Non-Aligned Movement (NAM)