<P> Coordinates: 40 ° 44 ′ 59.26" N 73 ° 50 ′ 45.91" W ﻿ / ﻿ 40.7497944 ° N 73.8460861 ° W ﻿ / 40.7497944; - 73.8460861 </P> <Table> US Open <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Official website </Th> </Tr> <Tr> <Th> Founded </Th> <Td> 1881; 136 years ago (1881) </Td> </Tr> <Tr> <Th> Editions </Th> <Td> 136 (2016) </Td> </Tr> <Tr> <Th> Location </Th> <Td> New York City, New York, United States </Td> </Tr> <Tr> <Th> Venue </Th> <Td> USTA Billie Jean King National Tennis Center </Td> </Tr> <Tr> <Th> Surface </Th> <Td> Grass - outdoors (1881--1974) Clay - outdoors (1975--1977) Hard - outdoors (1978--present) </Td> </Tr> <Tr> <Th> Prize money </Th> <Td> $50,400,000 (2017) </Td> </Tr> <Tr> <Th_colspan="2"> Men's </Th> </Tr> <Tr> <Th> Draw </Th> <Td> 128S / 128Q / 64D </Td> </Tr> <Tr> <Th> Current champions </Th> <Td> Rafael Nadal (singles) Jean - Julien Rojer Horia Tecău (doubles) </Td> </Tr> <Tr> <Th> Most singles titles </Th> <Td> 7 Richard Sears Bill Larned Bill Tilden </Td> </Tr> <Tr> <Th> Most doubles titles </Th> <Td> 6 Richard Sears Holcombe Ward </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> Women's </Th> </Tr> <Tr> <Th> Draw </Th> <Td> 128S / 128Q / 64D </Td> </Tr> <Tr> <Th> Current champions </Th> <Td> Sloane Stephens (singles) Chan Yung - jan Martina Hingis (doubles) </Td> </Tr> <Tr> <Th> Most singles titles </Th> <Td> 8 Molla Bjurstedt Mallory </Td> </Tr> <Tr> <Th> Most doubles titles </Th> <Td> 13 Margaret Osborne duPont </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> Mixed Doubles </Th> </Tr> <Tr> <Th> Draw </Th> <Td> 32 </Td> </Tr> <Tr> <Th> Current champions </Th> <Td> Martina Hingis Jamie Murray </Td> </Tr> <Tr> <Th> Most titles (male) </Th> <Td> Bill Tilden Bill Talbert Bob Bryan </Td> </Tr> <Tr> <Th> Most titles (female) </Th> <Td> 8 Margaret Osborne duPont Margaret Court </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> Grand Slam </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Australian Open </Li> <Li> French Open </Li> <Li> Wimbledon </Li> <Li> US Open </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> Last Completed </Th> </Tr> <Tr> <Td_colspan="2"> 2017 US Open </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Official website </Th> </Tr>

Where is the us open tennis tournament held