In Disneyland Park (California), character meetings are split between permanent locations and roaming encounters. The most reliable spot is Mickey’s Toontown, where you can visit Mickey and Minnie in their respective houses for a guaranteed photo opportunity. For Disney Princesses, the Royal Hall at Fantasy Faire near the castle is the primary destination, offering a rotating cast of royalty in a climate-controlled setting. In Star Wars: Galaxy's Edge, characters like Kylo Ren, Rey, and Chewbacca do not have "lines"; they roam the land, interacting with the environment to maintain immersion. Similarly, in Avengers Campus (over in California Adventure), you'll see Spider-Man performing stunts on rooftops or Iron Man patrolling the grounds. For "classic" characters like Goofy or Pluto, the Main Street, U.S.A. Town Square (near the park entrance) is the best bet throughout the morning. To find specific times and exact GPS locations for rarer characters, the Disneyland App is an essential tool; its "Characters" map shows exactly who is appearing where in real-time. Additionally, "Character Dining" at locations like Plaza Inn (breakfast) offers a way to see multiple characters without waiting in park lines, though these require advance reservations and a separate meal cost.