Trump is welcomed to the Prime Minister's official country estate Chequers, a few miles north of Windsor.
The British hosts receive the US President with, among other things, a ceremonial honor guard and bagpipe music – a tribute to President Trump's Scottish heritage.
The theme of the meeting itself is then, among other things, technology investments and steel tariffs. The two leaders are expected to sign an agreement that, according to British expectations, could create thousands of jobs and billions in investments in artificial intelligence, quantum computers and nuclear energy.