Can someone tell me what country George Washington was talking about when he said ''my country''?

On April 30, 1789 George Washington was inaugurated as the first President of the United States.  In this first inaugural address he stated “I was summoned by my Country, whose voice I can never hear but with veneration and love.”

a more perfect union: the creation of the u.s. constitution. the vote was unanimous. saddled with this weak government, the states were on the brink of not to lend a hand to any proceeding that seemed to pose a threat to that protection. delegates from virginia and other large states demanded that voting in