Burgas, city in eastern Bulgaria, capital of Burgas Province, a seaport on the Brugaski Zaliv (an inlet of the Black Sea). The surrounding region is chiefly agricultural. The city has a good harbor and is connected by rail, through Sofia, with the general European railroad system. The major part of Bulgaria's Black Sea grain trade passes through Burgas, and trade in other agricultural products is second only to that of Varna. The city's fish-processing industry handles most of Bulgaria's fish harvest. The city also has flour and sugar mills. Population (1996 estimate) 199,470.