The Emoji used for localization is the round pin emoji. This is the standard symbol for locations often used on google maps and pinterest. The emoji features mostly in red color and on some platforms like on facebook in a 45º tilt. Below is Location Emoji Copy and Paste 📍 :
But there is another similar to the location emoji that is just called a pin 📌 but it is not generally used to indicate a location.
The Localization emoji was added to Unicode 6.0 in 2010 under the name Round Pushpin and in 2015 to Emojis 1.0.
Codes representing the Location emoji:
📍 png transparent to download