Armenians in Istanbul are historically one of the largest ethnic minorities of Istanbul, Turkey.  The city is often referred to as Bolis by Armenians, which is derived from the ending of the historical name of the city Constantinople. The Armenian connection with Constantinople dates back to the earliest period after the proclamation of Christianity as the official religion of the Armenian kingdom. Under the Ottoman rule, the Armenian community of Constantinople grew rapidly and came to include all strata of society. The cultural history of Armenian Constantinople is very rich, including Armenian literature, theater and drama, art and architecture, music, etc. Currently, the Armenian community in Istanbul has several schools,cultural, social organizations, three newspapers called Agos, Jamanak and Marmara, sports clubs and two health establishments as well as numerous religious foundations set up to support these activities.