The Polish Social and Cultural Centre (POSK) in London describes itself as the largest Polish centre outside Poland. Under one roof it houses a theatre, a Polish library focused on émigré publications, an art gallery, a community cinema and a jazz café and studio. It also offers a bookshop, a radio station, restaurants and event rooms for hire. The centre runs a year-round programme of plays, concerts, exhibitions, lectures, film screenings and the Festival of Polish Culture in the British Isles. It is a membership organization that welcomes new members and volunteers and accepts donations.