"Unfortunately for regions", often used to convey disappointment or regret about a specific geographic area, can be substituted with a variety of synonyms to add variation and nuance to your writing. Some options might include "regrettably for locales", "disappointingly for provinces", or "unluckily for territories". These phrases can reflect a range of emotions, from sadness to frustration, and can be tailored to fit the specific context of your writing. By utilizing synonyms and different word choices, you can give your writing a more dynamic and engaging tone while still conveying the same basic message.