Possible Clues:

• Blissful city with Welsh name
• Sound familiar
• How ye might get slain in those lovely fields
• One might nail these fields? Yes
• Yes, nail could make this blissful
• Blissful, like the ....... Fields of Greek myth
• Delightful as any isle could be
• City hospital built over one of the most beautiful fields
• Heaven's near in sky, blue regularly all over
• ... Fields, final resting place of the souls of Greek heroes