Which preposition to use with astoria

on Occurrences 2%

It reaches out into a rocky point, where it touches the still terribly swift eddies of Hell Gate, and its sharp front divides the water and directs it towards Astoria on the east and the city on the west.

at Occurrences 1%

There are, of the more important, St. Johns, St. Helens, Columbia City, Kalama, Rainier, Westport, Cathlamet, Knappa, and Astoria at the mouth, a busy place of 6,000 people.

in Occurrences 1%

In August, 1888, this steamer made the run from her berth at Portland to the landing stage at Astoria in five hours and thirty-one minutes.

without Occurrences 1%

In addition to these, there are two day mail passenger and freight boats; they handle the way traffic; the larger boats above mentioned make the run direct from Portland to Astoria without any landings.

Which preposition to use with  astoria