As per the
help center article, NVIDIA Tesla K80 is currently available in the following zones.
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asia-east1-a
asia-east1-b
europe-west1-b
europe-west1-d
us-central1-a
us-central1-c
us-east1-c
us-east1-d
us-west1-b
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If the issue keep persisting for the deployment of NVIDIA Tesla K80 in any of the above mentioned zones, I would strongly recommend you to report it using
issue tracker to get additional view from Google Cloud's Compute Engine team.