It's not even true that a single building has only one address, must exist in one town or even in one country. There's a house that has one address in Baarle He

It's not even true that a single building has only one address, must exist in one town or even in one country. There's a house that has one address in Baarle Hertog (Belgium) and another address in Baarle Nassau (Netherlands), with different house numbers too.