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Is 6500PLN/month enough for 2 people from India to live on in Wroclaw? [40]
Housing prices in Wrocław are not appreciably cheaper than in Warsaw, if at all.
House prices are cheaper in Wroclaw than in Warsaw. Just look like for like - Old Town in Wroclaw v Old Town in Warsaw you will find prices at least around 20% cheaper.
wyborcza.biz/finanse/1,105684,14216180,Najdrozsze_mieszkan ia_na_wynajem_sa_w_Warszawie_i.html - comparison between warsaw and other cities.
You can look at other places e.g. gumtree and get direct contact with a landlord for cheaper deals. You could hire a student to help you with language it may cost you a couple of hundred zloty to sort out. There are plenty of private landlords in Wroclaw and some will be keen to bypass agency fees also.