Petropavlovsk-Kamchatsky is a city and the administrative center of Kamchatka Krai, Russia. It is located in the far east of the country an…Petropavlovsk-Kamchatsky is a city and the administrative center of Kamchatka Krai, Russia. It is located in the far east of the country and lies along the coast of Avacha Bay by the Pacific Ocean. As of the 2021 census, it had a population of 164,900.