Plovdiv and Turkish-speaking at the census ("Xoraxane Roma"). For further information see the article Roma people in Plovdiv. Like elsewhere in the country, Roma people are subjected to discrimination and segregation (See the Bulgaria section of the article Antiziganism). After the Wars for National Union (Balkan Wars and World War I), the city became home for thousands of refugees from the former Bulgarian lands in Macedonia, Western and Eastern Thrace. Many of the old neighbourhoods are still referred to as "Belomorski", "Vardarski". Most of the Jews left the city after the foundation of Israel in 1948, as well as most of
Plovdiv Arts; and others. The 2009 International Olympiad in Informatics (IOI) was held at the University of Plovdiv "Paisiy Hilendarski", between 8 and 15 August 2009. The 2009 IOI Honorary Patron was Bulgarian President Georgi Parvanov. Between 1875 and 1906, the Zariphios School was one of the local Greek educational institutions that provided elementary and secondary education. Plovdiv Sports Complex consists of Plovdiv Stadium with several additional football fields, tennis courts, swimming pools, a rowing base with a 2 km-long channel, restaurants, and cafés in a spacious park in the western part of the city just south of the Maritsa river.