According to documents unearthed by Bloomberg, Google just might be building a dedicated retail outlet in Dublin, Ireland at their European headquarters. 

A planning application submitted to the local authorities there states that the “Google Store” would be open to the public and include 123 square meters of space. At present Google has tried out the retail experience in a smaller setting, by setting up a dedicated space for their Chromebooks in PC World and Currys in the UK. 

Google has a retail store for their merchandise in California that isn't open …

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Is Google planning to open a retail store in Dublin?
Richard Devine – androidcentral.com