Fudbalski klub Sloga Doboj ( Serbian Cyrillic : ФК Слога Добој ), also known as Sloga Meridian for sponsorship reasons, [ 1 ] is an association football club from the city of Doboj in northern Republika Srpska , an entity of Bosnia and Herzegovina . The club competes in the Premier League of Bosnia and Herzegovina and plays its home matches at Stadion Luke, which has a capacity of 3,000.