The Caucasus Campaign comprised armed conflicts between the Ottoman Empire and the allies, the forces of the latter including Azerbaijan, Armenia, the Central Caspian Dictatorship, and the UK as part of the Middle Eastern theatre, or alternatively named, as part of the Caucasus Campaign during World War I. The Caucasus Campaign extended from the Caucasus to eastern Asia Minor, reaching as far as Trabzon, Bitlis, Mush and Van. The warfare on land was accompanied by actions undertaken by the Russian Navy in the Black Sea region of the Ottoman Empire.