Arcinazzo Romano

{{short description|Comune in Latium, Italy}}

{{Infobox Italian comune

| name = Arcinazzo Romano

| official_name = Comune di Arcinazzo Romano

| native_name =

| image_skyline = Altipiani di Arcinazzo.jpg

| imagesize =

| image_alt =

| image_caption = View of Arcinazzo's plateau.

| image_shield = Arcinazzo_Romano-Stemma.png

| shield_size = 120px

| image_map =

| map_alt =

| map_caption =

| pushpin_label_position =

| pushpin_map_alt =

| coordinates = {{coord|41|53|N|13|7|E|type:city(1,416)_region:IT|display=inline}}

| coordinates_footnotes =

| region = Lazio

| metropolitan_city = Rome (RM)

| frazioni = Altipiani di Arcinazzo

| mayor_party =

| mayor = Luca Marocchi

| area_footnotes =

| area_total_km2 = 28.3

| population_footnotes = All demographics and other statistics: Italian statistical institute Istat.

| population_total = 1334

| population_as_of = 30 April 2017

| pop_density_footnotes =

| population_demonym = Ponzesi

| elevation_footnotes =

| elevation_m = 831

| twin1 =

| twin1_country =

| saint = St. George

| day = 23 April

| postal_code = 00020

| area_code = 0774

| website = {{official website|http://www.arcinazzo.org/}}

| footnotes =

}}

Arcinazzo Romano is a {{lang|it|comune}} (municipality) in the Metropolitan City of Rome in the Italian region of Lazio, located about {{convert|50|km|mi}} east of Rome.

Arcinazzo Romano borders the following municipalities: Affile, Jenne, Piglio, Roiate, Serrone, Subiaco, Trevi nel Lazio. It was called Ponza until 1891.Regio Decreto che autorizza il comune di Ponza di Arcinazzo a cambiare l'attuale sua denominazione in quella di Arcinazzo Romano, 29 maggio 1891, Gazzetta Ufficiale del Regno, 23 giugno 1891, n. 145.

The area of Arcinazzo includes a wide plateau ({{lang|it|altopiano}} in Italian), a popular holiday resort; the plateau is home to the remains of the Villa of Trajan, the summer palace and hunting residence of emperor Trajan.