"In this vicinity" can be replaced with a variety of synonyms to add more depth and variety to your writing. Some possible alternatives include "in this area," "within these bounds," "in this region," "within this locality," and "in this neighborhood." Depending on the context, other options might include "around here," "close by," "nearby," or "in the vicinity." By experimenting with different word choices, you can make your writing more engaging and avoid repetition. Remember to consider the tone and style of your piece, as well as the intended audience, when selecting the most appropriate synonym.