Short Answer 
The main character lives in West Egg, which represents a modest lifestyle contrasting with the wealthier East Egg. The narrative explores the themes of wealth and appearances, emphasizing the societal status that influences perceptions and relationships as the character navigates these dynamics.
Step 1: Understand the Setting
The main character resides in *West Egg*, known for its comfortable yet less glamorous homes. This setting signifies a modest lifestyle, contrasting with the opulence found in other areas. It’s essential to recognize that despite the house’s appearance, he feels content in his surroundings.
Step 2: Acknowledge the Wealth Dynamics
The story’s conflict revolves around the *wealth disparity* between West Egg and *East Egg*. As the main character prepares to visit the more affluent East Egg, he encounters a different social dynamic that challenges his views on success and happiness. This visit is pivotal in exposing the theme of appearances versus reality.
Step 3: Identify Key Themes
In essence, the narrative explores themes related to *wealth and appearances*. The contrast between the characters’ lives in West Egg and East Egg highlights how *societal status* influences perceptions and relationships. The unfolding events lead to a deeper understanding of how characters navigate their desires in relation to their surroundings.