Where is finding dory supposed to take place?
No context provided
What Ocean  is finding dory supposed to take place?
Pacific Ocean
No context provided
What near what coast is finding dory supposed to take place?
Jewel of Morro Bay, California California
Finding Dory
https://en.wikipedia.org/wiki/Finding%20Dory
Finding Dory is a 2016 American computer-animated adventure film produced by Pixar Animation Studios and released by Walt Disney Pictures. 
Finding Dory
One day, Dory has a flashback and remembers her parents. She decides to look for them, but her memory problem is an obstacle. She suddenly remembers that they lived at the "Jewel of Morro Bay, California" across the ocean when Nemo mentions the name.
Finding Dory
Finding Dory is a 2016 American computer-animated adventure film produced by Pixar Animation Studios and released by Walt Disney Pictures. Finding Dory takes place in the Pacific Ocean, near the California coast. Although Dory's memory problem is an obstacle, one day she remembers her parents and eventually realizes that they lived at the "Jewel of Morro Bay, California."