This is the 8799th most frequent Japanese word.
東側
East side.
Here, '東側' (higashi-gawa) is used to describe the east side of a location, '駅' (eki, station), implying a spatial relationship.
駅の東側には公園があります。
There is a park on the eastern side of the station.
In this sentence, '東側' refers to the east-side seats of a location such as a viewing area or hall. It defines a direction relative to seating arrangements.
東側の席からは窓の外の景色がよく見えます。
From the east-side seats, you can see the view outside the window well.
Here, '東側' is used in a geopolitical context, referring to countries in the eastern bloc, showing its application in a political or regional discussion.