US ambassador to Armenia John Ordway left Yerevan for Baku in the evening of October 28. In the course of his visit Ordway will meet with the Azeri President, foreign minister, politicians, including the opposition leaders, US embassy in Armenia told "Arminfo" agency. The peaceful settlement of the Nagorno Karabakh conflict will become one of the main subjects of the ambassador's talks in Baku. Ordway's visit is of familiarization nature. Some time ago US ambassador in Azerbaijan Ross Wilson was in Yerevan with a similar mission.