Sync Google Sheets with Google Maps

Can you help me sync data between Google SpreadSheets and Google Maps? As soon as I import the data into google maps, it shows good contacts of each location. But the spreadsheet is not syncing and I have to keep importing.

I want to have a spreadsheet with two columns (location and number of racks) and as it updates it automatically updates the map. I made a map via google maps using google spreadsheet import function.

Is there a way to do this?