Meanwhile, at the same point in time, the highest number of chargeable second homes were found in MSOAs Abersoch & Aberdaron and Tywyn & Llangelynnin.
Yn y cyfamser, ar yr un pryd, gwelwyd y nifer uchaf o ail gartrefi trethadwy yn MSOA Abersoch, Aberdaron, Tywyn a Llangelynnin.