From the Wikipedia page [1]
The Moldavian Autonomous Soviet Socialist Republic (Moldavian/Romanian: Република Аутономэ Советикэ Cочиалистэ Молдовеняскэ, Republica Autonomă Sovietică Socialistă Moldovenească), shortened to Moldavian ASSR, was an autonomous republic of the Ukrainian SSR between 12 October 1924 and 2 August 1940, encompassing modern Transnistria (now, de jure, in Moldova, de facto, a breakaway state) and a number of territories that are now part of Ukraine.