In central Laos, near Phonsavan city, there are about 20 areas containing extensive ancient stone jars,. Each locality contains several of big jars, one of the biggest ones – locality No.1. (Thong Hai Hin) there are even hundreds of them.
Ancient city Luang Prabang officially called "Nakhon Luang Prabang" or "Muang Luang", used to be a capital of former Laos kingdom. It was fundamental for the whole region. Together with King’s palace, there were built many Buddhist temples and most of them are still used nowadays.
