Vlaar played big parts in both Villa's games against their local rivals last season which ended in draws and is well aware of the danger posed by Steve Clarke's resurgent Baggies.
Vlaar told his club's official website: "I enjoyed the derbies last time out. It's great to play in these games. You could feel the rivalry in both matches.
"They are a good team. They beat Man United and could have done the same at Chelsea. They have a good team and they had a good season last time out."
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- Steve Clarke