The NBA Finals is the annual championship series of the National Basketball Association (NBA). The Eastern and Western conference winners play a best-of-seven game series to determine the league champion. The champions of these Finals are awarded the Larry O’Brien Championship Trophy, which replaced the Walter A. Brown Trophy in 1983.
The series was initially Called the BAA Finals before the 1949–50 season when the Basketball Association of America (BAA) merged with the National Basketball League (NBL) to form the NBA. The contest oversaw additional name changes to NBA World Championship Series from 1950 to 1985, in addition to a brief stint as the Showdown, before settling NBA Finals in 1986. 
The NBA Finals was originally ordered at a 2–2–1–1–1 format. Back in 1985, to alleviate the quantity of cross-country journey, it was changed into a 2–3–2 structure, where the first two and last two matches of the series have been played at the arena of the team who earned home-court advantage by getting the better record during the regular season. In 2014, the two –2–1–1–1 structure has been restored. The first two games are played with the higher-seeded team’s house, the following two at the home of this lower-seeded team, along with the rest three are played in each team’s home arena . 
A total of 19 franchises have won the NBA Finals, with the Toronto Raptors winning in 2019. The Boston Celtics hold the record for the most victories, having won the contest 17 times, as well as the most consecutive titles, winning 8 occasions from 1959 to 1966. The Los Angeles Lakers have contested the NBA Finals the many times, with 31 appearances. The Eastern Conference has provided the many winners, with 38 wins from 10 franchises; the Western Conference has 32, from 9 franchises.
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