Conversation so far:
When did Black Dahlia move to California?
In December, at age 18, Elizabeth Short relocated to Vallejo to live with her father.
Why did Black Dahlia move to California?
Elizabeth Short's mother received a letter from her presumed-deceased husband, which revealed that he had started a new life in California. Short relocated to live with her father.
How did Black Dahlia's father fake his death?
Elizabeth Short's father's car was found abandoned on the Charlestown Bridge, and it was assumed that he had committed suicide by jumping into the Charles River.
What happened to Black Dahlia upon her arrival to CA?
Arguments between Elizabeth Short and her father led to her moving out.

Question: What part of CA did she move to initially?
Self-contained rewrite: What part of CA did Black Dahlia move to initially?