Precise location targeting is one of the biggest selling points of AdWords, offering advertisers the flexibility to reach their customers wherever they might be and to customize messaging based on location. You can target as broadly as worldwide, or get as granular as targeting a specific city or a predefined radius.
Your ads will appear to people you are targeting, avoiding irrelevant clicks and helping you to zero in on the most targeted audience, but please note that location targeting may not always be 100 percent accurate.
Think about where your target customers are located and who you'd like to see your ads. Ask yourself the following questions:
Do you ship products internationally or work with customers outside of your country?
If you are a local business, how far of a radius are your customers willing to travel from, or how far are you willing to travel to reach your customers?
Are there specific metro areas or cities that you would like...