Transcaucasian Democratic Federative Republic [22 April – 28 May 1918]
It also included: Azerbaijan, Armenia, Georgia
Enemies: RSFSR, Ottoman Empire, German Empire
Countries (republics, states) that were next to him: Kuban, Mountain Republic, North Caucasus Emirate 
https://ru.m.wikipedia.org/wiki/%D0%97%D0%B0%D0%BA%D0%B0%D0%B2%D0%BA%D0%B0%D0%B7%D1%81%D0%BA%D0%B0%D1%8F_%D0%B4%D0%B5%D0%BC%D0%BE%D0%BA%D1%80%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D1%84%D0%B5%D0%B4%D0%B5%D1%80%D0%B0
