The Salvation Army (TSA) is a Protestant church and an international charitable organisation headquartered in London, England. The organisation reports a worldwide membership of over 1.7 million, comprising soldiers, officers and adherents collectively known as Salvationists. Its founders sought to bring salvation to the poor, destitute, and hungry by meeting both their "physical and spiritual needs". It is present in 133 countries, running charity shops, operating shelters for the homeless and disaster relief, and humanitarian aid to developing countries.