The Hollywood Sign in the mountain overlooking Los Angeles is an iconic landmark, but these signs are nowhere near Hollywood.
Instead, they're located in far-flung locations like the hills of Palermo in Italy, Wicklow County in Ireland (population 100!), Ramoji Film City in Hyderabad, India, and so on.
If Its Hip It's Here blog lists where the faux Hollywood signs are located both inside and outside of the United States.