St. Moritz is a high Alpine resort town in the Engadine in Switzerland, at an elevation of about 1,800 metres above sea level. It is Upper Engadine's major town and a municipality in the district of Maloja in the Swiss canton of Graubünden.
St. Moritz lies on the southern slopes of the Albula Alps below the Piz Nair overlooking the flat and wide glaciated valley of the Upper Engadine and eponymous lake: Lake St. Moritz. It hosted the Winter Olympics in 1928 and 1948.