"What happened to me last year was amazing. I was playing really great tennis here and then went off to win Wimbledon. It brings back good memories. I can't believe it's been a whole year already," Sharapova told a news conference.
"It (Edgbaston) is a really good warm up for Wimbledon just because it's a low key tournament. I've always enjoyed playing here."
Sharapova was an outside bet when she won the singles and doubles titles in Birmingham last year and went on to dazzle the All England Club by beating Serena Williams in a thrilling Wimbledon final.
In stark contrast Sharapova is top seed at Edgbaston this week and knows the pressure will only increase as Wimbledon, which starts on June 20, draws nearer.
"I've never really taken pressure seriously because it's part of the sport," she said. "As I am the defending champion here and at Wimbledon I will have that extra pressure but pressure is what drives me."
AMAZING FEELING
Despite the sometimes damp English weather, Sharapova was delighted to be returning to grass after the clay of Roland Garros.
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"The ball jumps weird and I am laughing. It makes me want to work harder and give that extra effort. It is really special to me.
"I think I have a better chance with anybody on grass. It is my favourite surface and it suits my game really well.
"Every Wimbledon title will mean everything to me. It's the best tournament in the world.
"I appreciate every grand slam but at Wimbledon you have that extra feeling in you that you really want to win."