Beşiktaş Milangaz, is a Turkish professional basketball team founded in 1933 as a section of Beşiktaş JK. Their home arena is the Milangaz Arena with a capacity of 3,200 seats. The team is sponsored by Milangaz, a company dealing with liquid gas distribution and owned by Demirören Şirketler Grubu (English: Demirören Group of Companies).

The team competes in the Turkish Basketball League and Euroleague.

The club's basketball section started out in the year 1933, before being halted in 1936, and then resuming once again in 1940. Since then, Beşiktaş has played in the first Turkish Basketball League, in every season, except in the 1988-89 season, due to their relegation to the Turkish Second League after the 1987-88 season. The club won the Turkish Basketball League management by Cavit Altunay in 1974-75 season.

In October 2010, Beşiktaş announced the biggest transfer in the history of the club's basketball department, with the signing of the former NBA MVP Allen Iverson. Iverson signed a 2 year $4 million net income contract.

Beşiktaş (pronounced [beˈʃictaʃ]) is a municipality (belediye) of Istanbul, Turkey, located on the European shore of the Bosphorus. It is bordered on the north by Sarıyer and Şişli, on the west by Kağıthane and Şişli, on the south by Beyoğlu, and on the east by the Bosphorus. Directly across the Bosphorus is the municipality of Üsküdar.

The Beşiktaş municipality includes a number of important sites along the European side of the Bosphorus, from Dolmabahçe Palace in the south to Bebek in the north. The municipality also includes many inland neighborhoods such as Levent and Etiler. Some of its other well-known neighborhoods are Yıldız, Kuruçeşme, Ortaköy, and Arnavutköy.

The words beşik taş means "cradle stone" in Turkish.

According to one story, there was a Byzantine church where Beşiktaş now is with the name Kounopetra, Greek for "stone cradle." The church was built to honor a relic, a stone reportedly taken from the stable in Bethlehem where Jesus was born. This stone was later removed to Hagia Sophia and disappeared during the Fourth Crusade, possibly to be sold in Europe's relics market.

Halil Ergin Ataman (born 7 January 1966, Istanbul) is a Turkish basketball coach. During his playing career which he had begun in 1978, he played at Eczacıbaşı and Yeşilyurt basketball teams.

Ataman have reached the major achievements in 2008-09 season with winning Turkish League, Turkish Cup, and Turkish President's Cup championships.

Ataman had begun his managerial career in Eczacıbaşı Youth Team. Secondly, he was dutied in Efes Pilsen Youth Team. Then, he coached the TBL teams Türk Telekom, Pınar Karşıyaka and Efes Pilsen respectively. He was the assistant coach of Turkey national basketball team aslongside Ercüment Sunter in EuroBasket 1997 in Spain. Turkey had the 8th place in that tournament. He had spelled some time at Stanford University in the USA for making observations about basketball whilst 1998-99 season.

After his returning to Europe, he coached Italian side Montepaschi Siena and achieved the very last Saporta Cup in 2002. Subsequently, he joined Ülkerspor (now Fenerbahçe Ülker); however, he had to quit his job due to his private life to be highlighted by the press. On his decleration, he stated that resigned for the favours of the club. At the same season, he went again to Italy and work there. He signed for Climamio Bologna and coached this time until he dealt with Beşiktaş in the opening phase of 2007-08 season.

Carlos Alberto Arroyo Bermúdez (born July 30, 1979 in Fajardo) is a Puerto Rican professional basketball point guard who plays for Beşiktaş Milangaz in Turkey. Arroyo is the fifth player from Puerto Rico to play in the NBA. In the 2008–09 season, he played for Maccabi Tel Aviv in the Israeli Basketball Super League, winning the league's championship and being named the final's Most Valuable Player.

Arroyo has played in the NBA, NCAA, and the National Superior Basketball League of Puerto Rico (BSN) with the Fajardo Cariduros and Cangrejeros de Santurce. Arroyo has also played internationally in Spain. Arroyo was a member of the Puerto Rican National Basketball Team that defeated the United States at the 2004 Olympic Basketball Tournament. He also represented Puerto Rico at the 2006 FIBA World Championship in Japan.

Arroyo began his career in the National Superior Basketball League of Puerto Rico, where he debuted with the Fajardo Cariduros and subsequently played for the Cangrejeros de Santurce, where he was a teammate of then starting center of the Puerto Rico National Basketball Team, José Ortiz. During his participation with the team the Crabbers won four consecutive national titles in 1998, 1999, 2000, 2001 and 2003, winning five league championships in six years.