While Heinrich is yet to confirm the venue (Bougain Villa) is for their nuptials, fans were quick to make comments suggesting it may be!
"Wedding venue, absolutely stunning," one Instagram user wrote.
Another commented: "Your getting married in Italy.. perfect place. Very romantic. Enjoy. 👰🏻⛪️🇮🇹❤️"
The 31-year-old blonde announced her engagement to the Chiropractor via Instagram back in May 2017.
"Officially forever 💍 #ENGAGED," she simply captioned a celebratory photo.
Heinrich met Tim, 34, on Australia's very first season of The Bachelor in 2013 and the two happily dated since the show wrapped up!
The couple leads a busy life as Tim owns Fitness Program The Robards Method, which inspires people around the nation while Anna is an ambassador for a number of huge brands. However, they always find the time to shared gorgeous snaps of each other when they catching up on some quality time.
We can't wait to see pics of the duo as Bride and Groom!