Royal Residence is where the king of Cambodia stays on his visits to Siem Reap. Given that Siem Reap is Cambodia’s main cash cow thanks to proximity to Angkor Wat, king’s focus on Siem Reap is apparent. How much time the king actually spends in Siem Reap I do not know. Royal Palace in Phnom Penh, Cambodian capital city is far superior a dwelling to Siem Reap’s Royal residence.
Expectedly, the Royal Residence has a prestigious location within Siem Reap town. For one it’s located on one of main roads that run through town – National Road #6, secondly, it’s by the river, thirdly, it’s right opposite of Royal Independence Gardens which means Preah Ang Chek Preah Ang Chorm Shrine and Ya-Tep Shrine are just across the street.
There is a traffic circle on the corner of the Royal Residence which I believe is the only actual traffic circle in Siem Reap, though there is another one outside of town limit, on the intersection of National Road #6 and the road leading to Siem Reap Airport. The corner of Royal Residence facing the traffic circle has a large poster with an image of the king. The image is nicely illuminated at night. The Stone Bridge which goes across Stung Siem Reap on the opposite side of the traffic circle is one way only – you can’t cross it going east, only coming back towards the Royal Residence.
I have never actually been inside of the Royal Residence in Siem Reap (nor have I gone to the Royal Palace in Phnom Penh, since entrance fee is a bit too high) so I can’t comment on whether there is anything to see. I’m not even sure whether public is allowed to enter. My guess would be it’s not as I have never see its doors open or any foreigners walking in or out. It’s probably not used unless King Norodom Sihamoni or other members of the royal family are in Siem Reap.
The only significance of the Royal Residence for me was its immediate proximity to Royal Independence Gardens – my most favourite place in all of Cambodia, thanks to the Flying Foxes. A road to Angkor Wat also leads by the Royal Palace so unless you are staying in one of the hotels or guesthouses which are at far end of Siem Reap, you will have passed by it on your way to and from the Angkor Archaeological Park.